Sad-iron.



N0. MHMZ. Patented May 22, I900; L. D. CLARK.

SAD IRON.

(Application filed Aug. 20, 1896.)

(No Model.)

NlTlED tarts a'inui'r uric.

LORENZO D. CLARK, OF STOUGIITON, \VISCONSIN, ASSIGNOR 'lO CHARLES T. JOHNSON, OF SAME PLACE.

S A D l R O N SPECIFIGATIGN forming part of Letters Patent No. 649,912, dated May 22, 1900.

Application filed August 20, 1396- Serial No. 603,398- (N mOdGL) T0 (0Z5 whom it may concern.- be filled with any other non-heat-conducting Be it known that I, LORENZO D. CLARK, material instead of air, the substance used a citizen of the United States, residing at beingin such case rigidly affixed to either the Stoughton, in the county of Dane and State shell or core to prevent it from falling away of Wisconsin,have invented new and useful when the shell is removed, as any non-heat 5 5 Improvements in Sad-Irons, of which the folintervening conductor, whether of air or any lowing is a specification. other of the numerous well-known materials My invention relates to improvements in adapted to resist heat radiation, may be used sad-irons, and pertains especially to the con for this purpose if so disposed that it will not TO struction of the body of the iron, whereby a interfere with the removal and replacement of solid metal core provided with a smoothingthe shell. surface is inclosed at the top and sides by a For temporarily holding the shell and core removable shellwith anintervenin g non-heattogetherI have provided a form of fastening conducting space located between the shell or catch which is adapted to be quickly ad- 15 and core, whereby the former is rendered efjusted in either the open or locked position fective in preventing the radiation of the heat to release the core from or engage the same from the latter. By non-heat-conducting in the shell, and I call this device a tempospace I mean a space occupied by air or any rary fastening as distinguished from those other suitable non-heat-conducting material, fastenings whichare designed tobind the parts 20 such as is used for covering boilers, steampermanently together, except when it is depipes, to. sired to make repairs. As a preferred form The objects of myinvention are, first,to preof such temporary fastening I have provided vent as far as possible the radiation of heat the core with a headed screw E, projecting from the core, and, second, to provide means from its upper surface and adapted to project 2 5 for readily and quickly attaching and detachthrough a hole F in the shell when the latter ing the shell and body, whereby a single shell is in place upon the core. A locking-lever G can be used interchangeably upon several difis pivotally supported in a slot in the shield ferent cores. H and is provided with a bifurcated clutch- In the following description referenceis had hook I on its lower end, which is adapted to 30 to the accompanying drawings, in whichengage the head of the screw E, and thereby Figure 1 is a side view of myimproved sadbind the shell and core together. The screw iron; and Fig. 2 is a central longitudinal sec- E being vertically adjustable, it is obvious tional view of the same, the handle being that it may be set so that the shell and core shown in full. Fig. 3 is a top view of the biwill be rigidly bound together and will not 3 5 furcated clutch-lever for locking the parts shake or rattle. together. It will be observed that with this construc- Like parts are identified by the same refertion the base or smoothing surface of my sadence-letters throughout the several views. iron possesses the same efficiency as that of The core A of my sad-iron is provided with the ordinary sad-iron, in which the parts are 40 the usual smoothing-surface at the bottom all formed integrally, while the heat radia- 0 and a narrow head or bearing 13 around the tion from the upper portions is almost onlower edge, against which the lower edges of tirely prevented. I am also enabled to rethe shell engage. move the handle and shell, using the same The shell 0 is larger than that portion of interchangeably upon several different cores,

45 the core which it incloses and is provided the result of my combination being to attain with a handle D, rigidly attached thereto. It in a single sad-iron the advantage of a maxiincloses the entire core, with the exception of mum efficiency of the smoothing-surface, tothe smoothing-surface and the head or beargether with the greatest possible economy of ing 1), and forms a dead-air space between the heat and the greatest possible convenience in 50 shell and core. This space may, if desired, manipulating the iron. [00

I attach great importance to the fact that the core is, Withthe exception of the smoothing-surface and the bead or bearing for the lower edge of the shell, entirely inclosed by the non-heat-conducting space, and also to the fact that the parts are provided with a temporary fastening, which permits of the release or engagement of the core without loss of time.

I Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a sad-iron, the combination of a core, provided with a smoothing-surface, a shell adapted to inclose the core, with the exception of the smoothing-surface, and a narrow bead or bearing around the edge thereof, a non-heat conductor located between the shell and core, and a fastening adapted to temporarily bind the shell and core together, substantially for the purpose set forth.

2. In a sad-iron, the combination of a core provided with a smoothing-surface, a removable shell adapted to inclose the core with the exception of the smoothing-surface, and a narrow bead or bearing around the edge thereof, a fastening for temporarily holding the shell and core together, and a non-heat conductor surrounding the inclosed portion of the core, said shell being adapted to impinge upon said head or bearing at its lower edge, and to form a heat-retaining dead-airspace, substantially as described.

3. A sad-iron, consisting in the combination of but two separable parts, comprising a core having a smoothing-surface, and a shell for inclosing the core, with the exception of the smoothing=surface, and a narrow bead or bearing around its lower edge, said shell be= ing provided with a handle, and a fastening for binding the shell and core together, and being arranged to cooperate with the core to form a heat-retaining envelop of dead air between it and the core, when the parts are united, substantially for the purpose set forth.

4. The combination of a core provided with a smoothing-surface, and a shell adapted to inclose the core with the exception of the smoothing surfaoe, and a narrow bead or bear ing around the edge thereof, with a non heatconducting space between the core and shell, a vertically-adjustable screw projecting from the upper surface of saidcore, and a bifurcated clutch-lever adapted to engage said screw and bind the shell and core together, substantially as described.

In testimony whereof I affix my signature in the presence of two witnesses.

LORENZO D. CLARK.

Witnesses:

BEN. E. WAIT,

GERHARD M. DAHL. 

